#import "SDWebImageCompat.h"
#if !__has_feature(objc_arc)
#error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
#endif
inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image) {
    if (!image) {
        return nil;
    }
    if ([image.images count] > 0) {
        NSMutableArray *scaledImages = [NSMutableArray array];
        for (UIImage *tempImage in image.images) {
            [scaledImages addObject:SDScaledImageForKey(key, tempImage)];
        }
        return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
    }
    else {
        if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
            CGFloat scale = [UIScreen mainScreen].scale;
            if (key.length >= 8) {
                NSRange range = [key rangeOfString:@"@2x."];
                if (range.location != NSNotFound) {
                    scale = 2.0;
                }
                range = [key rangeOfString:@"@3x."];
                if (range.location != NSNotFound) {
                    scale = 3.0;
                }
            }
            UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
            image = scaledImage;
        }
        return image;
    }
}
NSString *const SDWebImageErrorDomain = @"SDWebImageErrorDomain";
